More than 20 recorded bugfixes include improvements to Personal Information Management suite Kontact, Umbrello UML Modeller, document viewer Okular, web browser Konqueror, file manager Dolphin and others. A more complete list of changes can be found in KDE's issue tracker.

To find out more about the 4.12 versions of KDE Applications and Development Platform, please refer to the 4.12 release notes.